25.4MM round print patterns button, Printing color of black, yellow, blue, grey, red, rose, or can Printing serveral colors together into defference patterns. Also can print according to customer's fabric, or YKK color card and Panton color card. Size and shape can be make from customers design. Can make lead and nickle free products. Can pass ASTMD tests and meet CPSIA standard, got Oeko-tex 100 certification. WYSE is a professional buttons manufacturer, professional makes reliable.